Minor changes

src/core/object/RootScene.ts

 
     updateShaderProperties(material: {defines: Record<string, string|number|undefined>, uniforms: {[name: string]: IUniform}}): this {
         if (material.uniforms.sceneBoundingRadius) material.uniforms.sceneBoundingRadius.value = this._sceneBoundingRadius
-        else console.warn('BaseRenderer: no uniform: frameCount')
+        else console.warn('BaseRenderer: no uniform: sceneBoundingRadius')
         return this
     }
 

src/materials/index.ts

-export {MaterialExtender, updateMaterialDefines} from './MaterialExtender'
+export {MaterialExtender, updateMaterialDefines, uiConfigMaterialExtension} from './MaterialExtender'
 export type {MaterialExtension, IShaderPropertiesUpdater} from './MaterialExtension'

src/plugins/ui/RenderTargetPreviewPlugin.ts

 import {ExtendedCopyPass} from '../../postprocessing'
 
 export interface RenderTargetBlock {
-    target: ValOrFunc<IRenderTarget|{texture?: ValOrArr<ITexture>}|undefined>
+    target: ValOrFunc<IRenderTarget|{texture?: ValOrArr<ITexture>}|undefined|null>
     name: string
     visible: boolean
     transparent: boolean

src/postprocessing/sortPasses.ts

         if (Object.keys(dict).length < 1) break
         if (!updated) {
             console.error(entries, dict, pipeline)
-            throw 'Not possible 2'
+            throw 'Not possible 2' // when some dependency(required) doesnt exist. todo: show better error.
             break
         }
     }

src/rendering/RenderManager.ts

     }
 
     updateShaderProperties(material: {defines: Record<string, string|number|undefined>, uniforms: {[name: string]: IUniform}}): this {
-        // if (material.uniforms.currentFrameCount) material.uniforms.currentFrameCount.value = this.frameCount
+        if (material.uniforms.currentFrameCount) material.uniforms.currentFrameCount.value = this.frameCount
         if (!this.stableNoise) {
             if (material.uniforms.frameCount) material.uniforms.frameCount.value = this._totalFrameCount
             else console.warn('RenderManager: no uniform: frameCount')

src/three/utils/decorators.ts

  * @param propKey - uniform name
  * @param thisTarget - if `this` is the uniform (because uniforms = this wont work). It also adds _ in front of the name
  */
-export function uniform({uniforms, propKey, thisTarget = false}: {uniforms?: any, propKey?: string|symbol, thisTarget?:boolean} = {}): PropertyDecorator {
+export function uniform({uniforms, propKey, thisTarget = false, onChange}: {uniforms?: any, propKey?: string|symbol, thisTarget?:boolean, onChange?: (...args: any[]) => any} = {}): PropertyDecorator {
     // backing up properties as values are different when called again, no idea why.
     const cUniforms = !!uniforms
     const cPropKey = !!propKey
                 return getUniform(this).value
             },
             set(newVal: any) {
-                getUniform(this).value = newVal
+                let val = getUniform(this).value
+                if (val === newVal) return
+                val = newVal
                 safeSetProperty(this, 'uniformsNeedUpdate', true, true)
+                onChange && callOnChange.call(this, onChange, [propertyKey, newVal])
             },
             // configurable: true,
             // enumerable: true,